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@Gankra Gankra commented May 29, 2025

This is an alternative to #13701

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zanieb commented May 29, 2025

Hm... this presumes that all the install problems were fixed by #13709 ?

I don't think this removes the need for #13701 because it won't solve the microarchitecture case?

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Gankra commented May 29, 2025

Confirmed this fixes #13475 if i extend it to also do "x86_32 windows on arm64 windows"

(although in that case the snapshot churns in an annoying way)

    3       │-cpython-3.10.17-[PLATFORM]    <download available>
    4       │-pypy-3.10.16-[PLATFORM]       <download available>
    5       │-graalpy-3.10.0-[PLATFORM]     <download available>
          3 │+cpython-3.10.17-[PLATFORM]      <download available>
          4 │+pypy-3.10.16-[PLATFORM]      <download available>
          5 │+graalpy-3.10.0-[PLATFORM]    <download available>

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Gankra commented May 29, 2025

Do you think it would be reasonable to add an --all-microarches flag? Or hide microarches behind --all-arches?

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zanieb commented May 29, 2025

We'll need more sophisticated flags for sure, like --all-arches also doesn't cover the "I want to see all usable architectures" use-case.

For microarchitectures, I think we still want to list the best one by default, the thing there will be that we'll want to change the ordering of microarchitectures based on some preference flag.

@zanieb zanieb changed the title only conditionally consider os/arch when filtering downloads Only show the first match per platform (and architecture) by default in uv python list May 29, 2025
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Gankra commented May 29, 2025

For microarchitectures, I think we still want to list the best one by default, the thing there will be that we'll want to change the ordering of microarchitectures based on some preference flag.

Yeah I think that's the crux of it -- we should regard all these download-preference issues as sorting problems, with the install mode selecting the first item in the list that matches the requirement, and list applying some "don't show more than one" logic.

And then whatever preferences the user applies to prefer v1 are settings that go into the sorter?

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zanieb commented May 29, 2025

I find that fairly compelling.

@Gankra Gankra merged commit 067b03c into main May 29, 2025
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@Gankra Gankra deleted the gankra/filter-smarter branch May 29, 2025 21:38
zanieb added a commit that referenced this pull request May 29, 2025
)

In #13721 (comment) I
presumed that all the installation problems in
#13722 were solved by
#13709 but they were not because we
don't differentiate between implicit and explicit architecture requests
so a request for `aarch64` is considered satisfied by an existing
`x86-64` installation even if the user explicitly requested that
architecture.

Now, we track if it was explicit or implicit, requiring an exact match
in the former case, and a `supports` in the latter.

We considered doing this for other items in the request, like the
operating system but we don't have a `supports()` concept there. It
might make sense for libc in the future.
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Jun 13, 2025
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [astral-sh/uv](https://github.com/astral-sh/uv) | patch | `0.7.7` -> `0.7.13` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>astral-sh/uv (astral-sh/uv)</summary>

### [`v0.7.13`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0713)

[Compare Source](astral-sh/uv@0.7.12...0.7.13)

##### Python

-   Add Python 3.14.0b2
-   Add Python 3.13.5
-   Fix stability of `uuid.getnode` on 3.13

See the
[`python-build-standalone` release notes](https://github.com/astral-sh/python-build-standalone/releases/tag/20250612)
for more details.

##### Enhancements

-   Download versions in `uv python pin` if not found ([#&#8203;13946](astral-sh/uv#13946))
-   Use TTY detection to determine if SIGINT forwarding is enabled ([#&#8203;13925](astral-sh/uv#13925))
-   Avoid fetching an exact, cached Git commit, even if it isn't locked ([#&#8203;13748](astral-sh/uv#13748))
-   Add `zstd` and `deflate` to `Accept-Encoding` ([#&#8203;13982](astral-sh/uv#13982))
-   Build binaries for riscv64  ([#&#8203;12688](astral-sh/uv#12688))

##### Bug fixes

-   Check if relative URL is valid directory before treating as index ([#&#8203;13917](astral-sh/uv#13917))
-   Ignore Python discovery errors during `uv python pin` ([#&#8203;13944](astral-sh/uv#13944))
-   Do not allow `uv add --group ... --script` ([#&#8203;13997](astral-sh/uv#13997))

##### Preview changes

-   Build backend: Support namespace packages ([#&#8203;13833](astral-sh/uv#13833))

##### Documentation

-   Add 3.14 to the supported platform reference ([#&#8203;13990](astral-sh/uv#13990))
-   Add an `llms.txt` to uv ([#&#8203;13929](astral-sh/uv#13929))
-   Add supported macOS version to the platform reference ([#&#8203;13993](astral-sh/uv#13993))
-   Update platform support reference to include Python implementation list ([#&#8203;13991](astral-sh/uv#13991))
-   Update pytorch.md ([#&#8203;13899](astral-sh/uv#13899))
-   Update the CLI help and reference to include references to the Python bin directory ([#&#8203;13978](astral-sh/uv#13978))

### [`v0.7.12`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0712)

[Compare Source](astral-sh/uv@0.7.11...0.7.12)

##### Enhancements

-   Add `uv python pin --rm` to remove `.python-version` pins ([#&#8203;13860](astral-sh/uv#13860))
-   Don't hint at versions removed by `excluded-newer` ([#&#8203;13884](astral-sh/uv#13884))
-   Add hint to use `tool.uv.environments` on resolution error ([#&#8203;13455](astral-sh/uv#13455))
-   Add hint to use `tool.uv.required-environments` on resolution error ([#&#8203;13575](astral-sh/uv#13575))
-   Improve `python pin` error messages ([#&#8203;13862](astral-sh/uv#13862))

##### Bug fixes

-   Lock environments during `uv sync`, `uv add` and `uv remove` to prevent race conditions ([#&#8203;13869](astral-sh/uv#13869))
-   Add `--no-editable` to `uv export` for `pylock.toml` ([#&#8203;13852](astral-sh/uv#13852))

##### Documentation

-   List `.gitignore` in project init files ([#&#8203;13855](astral-sh/uv#13855))
-   Move the pip interface documentation into the concepts section ([#&#8203;13841](astral-sh/uv#13841))
-   Remove the configuration section in favor of concepts / reference ([#&#8203;13842](astral-sh/uv#13842))
-   Update Git and GitHub Actions docs to mention `gh auth login` ([#&#8203;13850](astral-sh/uv#13850))

##### Preview

-   Fix directory glob traversal fallback preventing exclusion of all files ([#&#8203;13882](astral-sh/uv#13882))

### [`v0.7.11`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0711)

[Compare Source](astral-sh/uv@0.7.10...0.7.11)

##### Python

-   Add Python 3.14.0b1
-   Add Python 3.13.4
-   Add Python 3.12.11
-   Add Python 3.11.13
-   Add Python 3.10.18
-   Add Python 3.9.23

##### Enhancements

-   Add Pyodide support ([#&#8203;12731](astral-sh/uv#12731))
-   Better error message for version specifier with missing operator ([#&#8203;13803](astral-sh/uv#13803))

##### Bug fixes

-   Downgrade `reqwest` and `hyper-util` to resolve connection reset errors over IPv6 ([#&#8203;13835](astral-sh/uv#13835))
-   Prefer `uv`'s binary's version when checking if it's up to date ([#&#8203;13840](astral-sh/uv#13840))

##### Documentation

-   Use "terminal driver" instead of "shell" in `SIGINT` docs ([#&#8203;13787](astral-sh/uv#13787))

### [`v0.7.10`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#0710)

[Compare Source](astral-sh/uv@0.7.9...0.7.10)

##### Enhancements

-   Add `--show-extras` to `uv tool list` ([#&#8203;13783](astral-sh/uv#13783))
-   Add dynamically generated sysconfig replacement mappings ([#&#8203;13441](astral-sh/uv#13441))
-   Add data locations to install wheel logs ([#&#8203;13797](astral-sh/uv#13797))

##### Bug fixes

-   Avoid redaction of placeholder `git` username when using SSH authentication ([#&#8203;13799](astral-sh/uv#13799))
-   Propagate credentials to files on devpi indexes ending in `/+simple` ([#&#8203;13743](astral-sh/uv#13743))
-   Restore retention of credentials for direct URLs in `uv export` ([#&#8203;13809](astral-sh/uv#13809))

### [`v0.7.9`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#079)

[Compare Source](astral-sh/uv@0.7.8...0.7.9)

##### Python

The changes reverted in [0.7.8](#&#8203;078) have been restored.

See the
[`python-build-standalone` release notes](https://github.com/astral-sh/python-build-standalone/releases/tag/20250529)
for more details.

##### Enhancements

-   Improve obfuscation of credentials in URLs ([#&#8203;13560](astral-sh/uv#13560))
-   Allow running non-default Python implementations via `uvx` ([#&#8203;13583](astral-sh/uv#13583))
-   Add `uvw` as alias for `uv` without console window on Windows ([#&#8203;11786](astral-sh/uv#11786))
-   Allow discovery of x86-64 managed Python builds on macOS ([#&#8203;13722](astral-sh/uv#13722))
-   Differentiate between implicit vs explicit architecture requests ([#&#8203;13723](astral-sh/uv#13723))
-   Implement ordering for Python architectures to prefer native installations ([#&#8203;13709](astral-sh/uv#13709))
-   Only show the first match per platform (and architecture) by default in `uv python list`  ([#&#8203;13721](astral-sh/uv#13721))
-   Write the path of the parent environment to an `extends-environment` key in the `pyvenv.cfg` file of an ephemeral environment ([#&#8203;13598](astral-sh/uv#13598))
-   Improve the error message when libc cannot be found, e.g., when using the distroless containers ([#&#8203;13549](astral-sh/uv#13549))

##### Performance

-   Avoid rendering info log level ([#&#8203;13642](astral-sh/uv#13642))
-   Improve performance of `uv-python` crate's manylinux submodule ([#&#8203;11131](astral-sh/uv#11131))
-   Optimize `Version` display ([#&#8203;13643](astral-sh/uv#13643))
-   Reduce number of reference-checks for `uv cache clean` ([#&#8203;13669](astral-sh/uv#13669))

##### Bug fixes

-   Avoid reinstalling dependency group members with `--all-packages` ([#&#8203;13678](astral-sh/uv#13678))
-   Don't fail direct URL hash checking with dependency metadata ([#&#8203;13736](astral-sh/uv#13736))
-   Exit early on `self update` if global `--offline` is set ([#&#8203;13663](astral-sh/uv#13663))
-   Fix cases where the uv lock is incorrectly marked as out of date ([#&#8203;13635](astral-sh/uv#13635))
-   Include pre-release versions in `uv python install --reinstall` ([#&#8203;13645](astral-sh/uv#13645))
-   Set `LC_ALL=C` for git when checking git worktree ([#&#8203;13637](astral-sh/uv#13637))
-   Avoid rejecting Windows paths for remote Python download JSON targets ([#&#8203;13625](astral-sh/uv#13625))

##### Preview

-   Add `uv add --bounds` to configure version constraints ([#&#8203;12946](astral-sh/uv#12946))

##### Documentation

-   Add documentation about Python versions to Tools concept page ([#&#8203;7673](astral-sh/uv#7673))
-   Add example of enabling Dependabot ([#&#8203;13692](astral-sh/uv#13692))
-   Fix `exclude-newer` date format for persistent configuration files ([#&#8203;13706](astral-sh/uv#13706))
-   Quote versions variables in GitLab documentation ([#&#8203;13679](astral-sh/uv#13679))
-   Update Dependabot support status ([#&#8203;13690](astral-sh/uv#13690))
-   Explicitly specify to add a new repo entry to the repos list item in the `.pre-commit-config.yaml` ([#&#8203;10243](astral-sh/uv#10243))
-   Add integration with marimo guide ([#&#8203;13691](astral-sh/uv#13691))
-   Add pronunciation to README ([#&#8203;5336](astral-sh/uv#5336))

### [`v0.7.8`](https://github.com/astral-sh/uv/blob/HEAD/CHANGELOG.md#078)

[Compare Source](astral-sh/uv@0.7.7...0.7.8)

##### Python

We are reverting most of our Python changes from `uv 0.7.6` and `uv 0.7.7` due to
a miscompilation that makes the Python interpreter behave incorrectly, resulting
in spurious type-errors involving str. This issue seems to be isolated to
x86\_64 Linux, and affected at least Python 3.12, 3.13, and 3.14.

The following changes that were introduced in those versions of uv are temporarily
being reverted while we test and deploy a proper fix for the miscompilation:

-   Add Python 3.14 on musl
-   free-threaded Python on musl
-   Add Python 3.14.0a7
-   Statically link `libpython` into the interpreter on Linux for a significant performance boost

See [the issue for details](astral-sh/uv#13610).

##### Documentation

-   Remove misleading line in pin documentation ([#&#8203;13611](astral-sh/uv#13611))

</details>

---

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---

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---

This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Gankra added a commit that referenced this pull request Jun 30, 2025
and prefer emulated x64 windows in its stead.

This is preparatory work for shipping support for uv downloading and
installing aarch64 (arm64) windows Pythons. We've [had builds for this
platform ready for a
while](astral-sh/python-build-standalone#387),
but have held back on shipping them due to a fundamental problem:

**The Python packaging ecosystem does not have strong support for
aarch64 windows**, e.g., not many projects build aarch64 wheels yet. The
net effect of this is that, if we handed you an aarch64 python
interpreter on windows, you would have to build a lot more sdists, and
there's a high chance you will simply fail to build that sdist and be
sad.

Yes unfortunately, in this case a non-native Python interpreter simply
*works better* than the native one... in terms of working at all, today.
Of course, if the native interpreter works for your project, it should
presumably have better performance and platform compatibility.

We do not want to stand in the way of progress, as ideally this
situation is a temporary state of affairs as the ecosystem grows to
support aarch64 windows. To enable progress, on aarch64 Windows builds
of uv:

* We will still use a native python interpreter, e.g., if it's at the
front of your `PATH` or the only installed version.
* If we are choosing between equally good interpreters that differ in
architecture, x64 will be preferred.
* If the aarch64 version is newer, we will prefer the aarch64 one.
* We will emit a diagnostic on installation, and show the python request
to pass to uv to force aarch64 windows to be used.
* Will be shipping [aarch64 Windows Python
downloads](astral-sh/python-build-standalone#387)
* Will probably add some kind of global override setting/env-var to
disable this behaviour.
* Will be shipping this behaviour in
[astral-sh/setup-uv](https://github.com/astral-sh/setup-uv)

We're coordinating with Microsoft, GitHub (for the `setup-python`
action), and the CPython team (for the `python.org` installers), to
ensure we're aligned on this default and the timing of toggling to
prefer native distributions in the future.

See discussion in 

- #12906

---

This is an alternative to 

* #13719 

which uses sorting rather than filtering, as discussed in 

* #13721
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3 participants